在DOLLAR UK租车

第一次在DOLLAR UK 上租了个车，关于保险方面很迷惑，然后请教各位大侠以下这个算是保险吗，还需要另加什么吗？
Rental includes:Unlimited Mileage, Loss/Collision Damage Waiver, Supplemental Liability Insurance, Uninsured Motorist Protection, All Taxes and Airport and Local Fees, All Additional Drivers Charges, Initial Tank of Petrol